Increase Gradle JVM memory to prevent out of memory error (OpenLiberty#1427)

* Add intellij-2025.3-support branch to CI workflow

* Increase Gradle JVM memory allocation

* Increase Gradle JVM memory to 6GB

* Update build.yaml

* Update Gradle JVM memory and encoding settings

* Increase Gradle heap size to 2 GB

Author: anusreelakshmi934

gradle.properties

@@ -1,23 +1,23 @@
 useLocal=false
 pluginSinceBuild=243
-pluginUntilBuild=252.*
+pluginUntilBuild=253.*
 
 javaVersion=21
 
 # Target IntelliJ Community by default
-platformType=IC
+platformType=IU
 platformVersion=2024.3.6
-ideTargetVersion=2025.2.1
+ideTargetVersion=253.27864.23
 
 # Example: platformBundledPlugins = com.intellij.java
 platformBundledPlugins=com.intellij.java, org.jetbrains.idea.maven, com.intellij.gradle, org.jetbrains.plugins.terminal, com.intellij.properties
 
 # Version numbers of dependencies
-lsp4JakartaVersion=0.2.5
+lsp4JakartaVersion=0.2.3
 lsp4mpVersion=0.13.0
 lemminxVersion=0.26.1
 lclsLemminxVersion=2.4
 lclsVersion=2.4
 
 # Increase Gradle memory by setting maximum heap size to 2 GB and minimum to 1 GB to prevent OutOfMemoryError
-org.gradle.jvmargs=-Xmx2g -Xms1g -Dfile.encoding=UTF-8
+org.gradle.jvmargs=-Xmx2g -Xms1g -Dfile.encoding=UTF-8